Corporate Espionage is the unlawful theft/acquisition of intellectual property, such as key trade secret and patent information as well as industrial manufacturing techniques and processes, ideas and formulas.
Industrial Espionage is the theft of trade secrets by the removal, copying or recording of confidential or valuable information in a company for use by a competitor.
Economic Espionage is foreign power-sponsored or coordinated intelligence activity directed at the U.S. government or U.S. corporations, establishments, or persons, designed to unlawfully or clandestinely influence sensitive economic policy decisions or to unlawfully obtain sensitive financial, trade, or economic policy information; proprietary economic information; or critical technologies.
Competitive Intelligence is the continuous process of monitoring a firm's industry or market to identify current and future competitors, their current and announced activities, how their actions will affect the firm, and how to respond.
(https://search.proquest.com/docview/1635183505?accountid=322) (http://www.investopedia.com/terms/i/industrial-espionage.asp) (https://www.fbi.gov/about/faqs/what-is-economic-espionage) (http://www.businessdictionary.com/definition/competitive-intelligence.html)